diff --git a/Cargo.lock b/Cargo.lock
index 2e34470802..e12cfd2120 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -2850,7 +2850,7 @@ dependencies = [
 
 [[package]]
 name = "libdd-common"
-version = "3.0.2"
+version = "4.0.0"
 dependencies = [
  "anyhow",
  "bytes",
diff --git a/libdd-capabilities-impl/Cargo.toml b/libdd-capabilities-impl/Cargo.toml
index f93b283f14..01bf00e31d 100644
--- a/libdd-capabilities-impl/Cargo.toml
+++ b/libdd-capabilities-impl/Cargo.toml
@@ -19,4 +19,4 @@ bench = false
 bytes = "1"
 http = "1"
 libdd-capabilities = { path = "../libdd-capabilities", version = "0.1.0" }
-libdd-common = { path = "../libdd-common", version = "3.0.2" }
+libdd-common = { path = "../libdd-common", version = "4.0.0" }
diff --git a/libdd-capabilities/CHANGELOG.md b/libdd-capabilities/CHANGELOG.md
new file mode 100644
index 0000000000..c861416874
--- /dev/null
+++ b/libdd-capabilities/CHANGELOG.md
@@ -0,0 +1,6 @@
+# Changelog
+
+
+## 0.1.0 - 2026-04-10
+
+Initial release.
diff --git a/libdd-common-ffi/Cargo.toml b/libdd-common-ffi/Cargo.toml
index c997ee80bf..65dc972980 100644
--- a/libdd-common-ffi/Cargo.toml
+++ b/libdd-common-ffi/Cargo.toml
@@ -23,7 +23,7 @@ build_common = { path = "../build-common" }
 anyhow = "1.0"
 chrono = { version = "0.4.38", features = ["std"] }
 crossbeam-queue = "0.3.11"
-libdd-common = { version = "3.0.2", path = "../libdd-common" }
+libdd-common = { version = "4.0.0", path = "../libdd-common" }
 hyper = { workspace = true}
 serde = "1.0"
 
diff --git a/libdd-common/CHANGELOG.md b/libdd-common/CHANGELOG.md
index 0703d03ad0..ccc24d5746 100644
--- a/libdd-common/CHANGELOG.md
+++ b/libdd-common/CHANGELOG.md
@@ -2,6 +2,28 @@
 
 
 
+## [4.0.0](https://github.com/datadog/libdatadog/compare/libdd-common-v3.0.2..libdd-common-v4.0.0) - 2026-04-10
+
+### Added
+
+- Trait architecture http ([#1555](https://github.com/datadog/libdatadog/issues/1555)) - ([b863364](https://github.com/datadog/libdatadog/commit/b863364bbb9cb4567b10c80cd11bc4a22b49fcf4))
+- Add shared runtime ([#1602](https://github.com/datadog/libdatadog/issues/1602)) - ([33896de](https://github.com/datadog/libdatadog/commit/33896def2418a9c0fc5bf74b05011210d333759f))
+- Implement HTTP common component ([#1624](https://github.com/datadog/libdatadog/issues/1624)) - ([29678bd](https://github.com/datadog/libdatadog/commit/29678bd0434bbe61dda64b90e99fbb36037f79d2))
+
+### Changed
+
+- Mock now function for rate limiter in tests to make them deterministic ([#1842](https://github.com/datadog/libdatadog/issues/1842)) - ([eb3c39b](https://github.com/datadog/libdatadog/commit/eb3c39b03521962ddedb2fd2c5990fdacea0a135))
+- Skip reqwest test that takes 10mn ([#1784](https://github.com/datadog/libdatadog/issues/1784)) - ([c929cdb](https://github.com/datadog/libdatadog/commit/c929cdb78d84f753f19ccacbee045e77dd5c5688))
+
+### Fixed
+
+- Skip thread counting test ([#1841](https://github.com/datadog/libdatadog/issues/1841)) - ([4360dbb](https://github.com/datadog/libdatadog/commit/4360dbb14e39d00d8a4fc40b6e66d1301f79acff))
+- Don't use reqwest http proxies ([#1810](https://github.com/datadog/libdatadog/issues/1810)) - ([3fc2961](https://github.com/datadog/libdatadog/commit/3fc29617a905dea8cda45300656896f482d7278c))
+- Use `ring` for non-fips builds ([#1816](https://github.com/datadog/libdatadog/issues/1816)) - ([5b6dffc](https://github.com/datadog/libdatadog/commit/5b6dffc5101a48706fe9c06f91e6c5afaf5e0ab5))
+- Handle Podman cgroupns=host cgroup path ([#1828](https://github.com/datadog/libdatadog/issues/1828)) - ([e5de518](https://github.com/datadog/libdatadog/commit/e5de518b54dfdc649a87dcf57a09680ca3859a53))
+
+
+
 ## [3.0.2](https://github.com/datadog/libdatadog/compare/libdd-common-v3.0.1..libdd-common-v3.0.2) - 2026-03-25
 
 ### Changed
diff --git a/libdd-common/Cargo.toml b/libdd-common/Cargo.toml
index ae1f2bf164..6c01e18b07 100644
--- a/libdd-common/Cargo.toml
+++ b/libdd-common/Cargo.toml
@@ -3,7 +3,7 @@
 
 [package]
 name = "libdd-common"
-version = "3.0.2"
+version = "4.0.0"
 description = "Shared utilities for Datadog libraries including HTTP/HTTPS connectors, container entity detection, tag validation, rate limiting, and Unix/Windows platform helpers"
 homepage = "https://github.com/DataDog/libdatadog/tree/main/datadog-common"
 repository = "https://github.com/DataDog/libdatadog/tree/main/datadog-common"
diff --git a/libdd-crashtracker/Cargo.toml b/libdd-crashtracker/Cargo.toml
index 1c0c7ceaa1..f757b04300 100644
--- a/libdd-crashtracker/Cargo.toml
+++ b/libdd-crashtracker/Cargo.toml
@@ -49,7 +49,7 @@ anyhow = "1.0"
 chrono = {version = "0.4", default-features = false, features = ["std", "clock", "serde"]}
 cxx = { version = "1.0", optional = true }
 errno = "0.3"
-libdd-common = { version = "3.0.2", path = "../libdd-common" }
+libdd-common = { version = "4.0.0", path = "../libdd-common" }
 libdd-telemetry = { version = "4.0.0", path = "../libdd-telemetry" }
 http = "1.1"
 libc = "0.2"
@@ -85,4 +85,4 @@ cxx-build = { version = "1.0", optional = true }
 # in the build-script context. The build script only needs cc_utils, which has no TLS dependency.
 # Without this, aws-lc-sys gets compiled twice: once for the normal dep graph and once for the
 # build-script dep graph (Cargo resolver v2 keeps these contexts separate).
-libdd-common = { version = "3.0.2", path = "../libdd-common", default-features = false }
+libdd-common = { version = "4.0.0", path = "../libdd-common", default-features = false }
diff --git a/libdd-data-pipeline/Cargo.toml b/libdd-data-pipeline/Cargo.toml
index 8d5db11a82..a393abad1b 100644
--- a/libdd-data-pipeline/Cargo.toml
+++ b/libdd-data-pipeline/Cargo.toml
@@ -30,7 +30,7 @@ tokio = { version = "1.23", features = [
 uuid = { version = "1.10.0", features = ["v4"] }
 tokio-util = "0.7.11"
 libdd-capabilities = { path = "../libdd-capabilities", version = "0.1.0" }
-libdd-common = { version = "3.0.2", path = "../libdd-common", default-features = false }
+libdd-common = { version = "4.0.0", path = "../libdd-common", default-features = false }
 libdd-shared-runtime = { version = "1.0.0", path = "../libdd-shared-runtime" }
 libdd-telemetry = { version = "4.0.0", path = "../libdd-telemetry", default-features = false, optional = true}
 libdd-trace-protobuf = { version = "3.0.1", path = "../libdd-trace-protobuf" }
diff --git a/libdd-dogstatsd-client/Cargo.toml b/libdd-dogstatsd-client/Cargo.toml
index 5e27c90493..bfa609059b 100644
--- a/libdd-dogstatsd-client/Cargo.toml
+++ b/libdd-dogstatsd-client/Cargo.toml
@@ -12,7 +12,7 @@ license.workspace = true
 bench = false
 
 [dependencies]
-libdd-common = { version = "3.0.2", path = "../libdd-common", default-features = false }
+libdd-common = { version = "4.0.0", path = "../libdd-common", default-features = false }
 cadence = "1.3.0"
 serde = { version = "1.0", features = ["derive", "rc"] }
 tracing = { version = "0.1", default-features = false }
diff --git a/libdd-http-client/Cargo.toml b/libdd-http-client/Cargo.toml
index a8a87b6305..d25bd5da7f 100644
--- a/libdd-http-client/Cargo.toml
+++ b/libdd-http-client/Cargo.toml
@@ -28,7 +28,7 @@ fastrand = "2"
 tokio = { version = "1.23", features = ["rt", "time"] }
 reqwest = { version = "0.13", default-features = false, optional = true }
 rustls = { version = "0.23", default-features = false, optional = true }
-libdd-common = { version = "3.0.0", path = "../libdd-common", default-features = false, optional = true }
+libdd-common = { version = "4.0.0", path = "../libdd-common", default-features = false, optional = true }
 hyper = { workspace = true, optional = true }
 hyper-util = { workspace = true, optional = true }
 http-body-util = { version = "0.1", optional = true }
diff --git a/libdd-profiling/Cargo.toml b/libdd-profiling/Cargo.toml
index b00dcd50c0..17077c4b59 100644
--- a/libdd-profiling/Cargo.toml
+++ b/libdd-profiling/Cargo.toml
@@ -42,7 +42,7 @@ http-body-util = "0.1"
 httparse = "1.9"
 indexmap = "2.11"
 libdd-alloc = { version = "1.0.0", path = "../libdd-alloc" }
-libdd-common = { version = "3.0.2", path = "../libdd-common", default-features = false, features = ["reqwest", "test-utils"] }
+libdd-common = { version = "4.0.0", path = "../libdd-common", default-features = false, features = ["reqwest", "test-utils"] }
 libdd-profiling-protobuf = { version = "1.0.0", path = "../libdd-profiling-protobuf", features = ["prost_impls"] }
 mime = "0.3.16"
 parking_lot = { version = "0.12", default-features = false }
diff --git a/libdd-shared-runtime/Cargo.toml b/libdd-shared-runtime/Cargo.toml
index 612cfee8c9..abc646c13a 100644
--- a/libdd-shared-runtime/Cargo.toml
+++ b/libdd-shared-runtime/Cargo.toml
@@ -22,7 +22,7 @@ tokio = { version = "1.23", features = ["rt", "macros", "time"] }
 tokio-util = "0.7.11"
 tracing = { version = "0.1", default-features = false }
 libdd-capabilities = { path = "../libdd-capabilities", version = "0.1.0" }
-libdd-common = { version = "3.0.2", path = "../libdd-common", default-features = false }
+libdd-common = { version = "4.0.0", path = "../libdd-common", default-features = false }
 
 [target.'cfg(not(target_arch = "wasm32"))'.dependencies]
 tokio = { version = "1.23", features = ["rt-multi-thread"] }
diff --git a/libdd-telemetry/Cargo.toml b/libdd-telemetry/Cargo.toml
index eaf69baec2..04b7c9ca8c 100644
--- a/libdd-telemetry/Cargo.toml
+++ b/libdd-telemetry/Cargo.toml
@@ -31,7 +31,7 @@ tracing = { version = "0.1", default-features = false }
 uuid = { version = "1.3", features = ["v4"] }
 hashbrown = "0.15"
 bytes = "1.4"
-libdd-common = { version = "3.0.2", path = "../libdd-common", default-features = false }
+libdd-common = { version = "4.0.0", path = "../libdd-common", default-features = false }
 libdd-shared-runtime = { version = "1.0.0", path = "../libdd-shared-runtime" }
 libdd-ddsketch = { version = "1.0.1", path = "../libdd-ddsketch" }
 
diff --git a/libdd-trace-obfuscation/Cargo.toml b/libdd-trace-obfuscation/Cargo.toml
index 7b212c061a..9368da4fda 100644
--- a/libdd-trace-obfuscation/Cargo.toml
+++ b/libdd-trace-obfuscation/Cargo.toml
@@ -19,7 +19,7 @@ log = "0.4"
 fluent-uri = "0.4.1"
 libdd-trace-protobuf = { version = "3.0.1", path = "../libdd-trace-protobuf" }
 libdd-trace-utils = { version = "3.0.1", path = "../libdd-trace-utils" }
-libdd-common = { version = "3.0.2", path = "../libdd-common" }
+libdd-common = { version = "4.0.0", path = "../libdd-common" }
 
 [dev-dependencies]
 duplicate = "0.4.1"
diff --git a/libdd-trace-utils/Cargo.toml b/libdd-trace-utils/Cargo.toml
index 0253160853..c0d6b546bb 100644
--- a/libdd-trace-utils/Cargo.toml
+++ b/libdd-trace-utils/Cargo.toml
@@ -37,7 +37,7 @@ rmpv = { version = "1.3.0", default-features = false }
 rmp = { version = "0.8.14", default-features = false }
 
 libdd-capabilities = { path = "../libdd-capabilities", version = "0.1.0" }
-libdd-common = { version = "3.0.2", path = "../libdd-common", default-features = false }
+libdd-common = { version = "4.0.0", path = "../libdd-common", default-features = false }
 libdd-trace-normalization = { version = "2.0.0", path = "../libdd-trace-normalization" }
 libdd-trace-protobuf = { version = "3.0.1", path = "../libdd-trace-protobuf" }
 libdd-tinybytes = { version = "1.1.0", path = "../libdd-tinybytes", features = [